Server : nginx/1.18.0 System : Linux localhost 6.14.3-x86_64-linode168 #1 SMP PREEMPT_DYNAMIC Mon Apr 21 19:47:55 EDT 2025 x86_64 User : www-data ( 33) PHP Version : 8.0.16 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /var/www/ecommerce/vendor/friendsofphp/php-cs-fixer/src/Linter/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

<?php

declare(strict_types=1);

/*
 * This file is part of PHP CS Fixer.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *     Dariusz Rumiński <dariusz.ruminski@gmail.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

namespace PhpCsFixer\Linter;

/**
 * @author Dariusz Rumiński <dariusz.ruminski@gmail.com>
 *
 * @internal
 */
final class CachingLinter implements LinterInterface
{
    /**
     * @var LinterInterface
     */
    private $sublinter;

    /**
     * @var array<int, LintingResultInterface>
     */
    private $cache = [];

    public function __construct(LinterInterface $linter)
    {
        $this->sublinter = $linter;
    }

    /**
     * {@inheritdoc}
     */
    public function isAsync(): bool
    {
        return $this->sublinter->isAsync();
    }

    /**
     * {@inheritdoc}
     */
    public function lintFile(string $path): LintingResultInterface
    {
        $checksum = crc32(file_get_contents($path));

        if (!isset($this->cache[$checksum])) {
            $this->cache[$checksum] = $this->sublinter->lintFile($path);
        }

        return $this->cache[$checksum];
    }

    /**
     * {@inheritdoc}
     */
    public function lintSource(string $source): LintingResultInterface
    {
        $checksum = crc32($source);

        if (!isset($this->cache[$checksum])) {
            $this->cache[$checksum] = $this->sublinter->lintSource($source);
        }

        return $this->cache[$checksum];
    }
}